.add-node-btn-box {
  width: 240px;
  display: inline-flex;
  flex-shrink: 0;
  position: relative;
  &::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    margin: auto;
    width: 2px;
    height: 100%;
    background-color: #cacaca;
  }
  .add-node-btn {
    user-select: none;
    width: 240px;
    padding: 20px 0 32px;
    display: flex;
    justify-content: center;
    flex-shrink: 0;
    flex-grow: 1;
  }
}
.add-node-popover-body {
  display: flex;
  align-items: center;
  background: #fff;
  .add-node-popover-item {
    width: 80px;
    margin-right: 10px;
    cursor: pointer;
    text-align: center;
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    color: #191f25 !important;
    .add-node-popover-item-button {
      width: 60px;
      height: 60px;
      margin: 10px 0 5px;
    }
  }
}